| rec | Elasto Mania Replay |
| reko | RekoNet Cardset |
| rep | GTA San Andreas Game Replay |
| repl | Ultimate Stunts Replay |
| replay | Rocket League Game Replay |
| ress | Unity 3D Model Archive |
| rez | Escape Velocity Plug-in |
| rfa | Battlefield 1942 Data |
| rfd | Emperor: Battle for Dune Data |
| rfgs_pc | Red Faction: Guerilla Saved Game |
| rfm | rFactor Modification |
| rfx | RealFlight Archive |
| rgss2a | RPG Maker VX RGSS Encrypted Archive |
| rim | BioWare Resource Image |
| rkc | Mario Kart Wii Saved Game |
| rkg | Mario Kart Wii Ghost Car Data |
| rkp | REKO Cardgames Deluxe Cardset Data |
| rkv | Project Snowblind Game Data |
| rl | The 7th Guest Archive |
| rl2 | Descent 2 Level Data |
| rmdp | Quantum Break Game Data |
| rme | Final Fantasy Audio Data |
| rmo | Rolemaster Character Data |
| rndp | Pokemon Random Preseeds Data |
| rnqs | Pokemon Randomization Quick Settings |
| rnr | The 11th Hour Game Data |
| rof | Jedi Knight: Jedi Academy Animation File |
| rofl | League of Legends Replay File |
| rol | The 11th Hour Game Data |
| roq | The 11th Hour Game Data |
